Home / 107,442.55-148,116.71-75,512.35

Finding the Fourth Proportional to 107,442.55, 148,116.71 and 75,512.35

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Solution

The fourth proportional to 107,442.55, 148,116.71 and 75,512.35 is: 104,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,442.55 : 148,116.71 = 75,512.35 : x
  2. Step 2: Convert to fraction form
    107,442.55/148,116.71 = 75,512.35/x
  3. Step 3: Cross multiply
    107,442.55x = 148,116.71 × 75,512.35
  4. Step 4: Simplify right side
    107,442.55x = 11,184,639,728.22
  5. Step 5: Solve for x
    x = 11,184,639,728.22/107,442.55
  6. Step 6: Final answer
    x = 104,098.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.